py3: use bytes in place of basestring
All strings in mercurial must be bytes so we can easily replace basestring with
bytes.
Differential Revision: https://phab.mercurial-scm.org/D1555
BasedOnStyle: LLVM
IndentWidth: 8
UseTab: ForIndentation
BreakBeforeBraces: Linux
AllowShortIfStatementsOnASingleLine: false
IndentCaseLabels: false
AllowShortBlocksOnASingleLine: false
AllowShortFunctionsOnASingleLine: false